setenv(1)                                                     setenv(1)

  setenv

  NAME

    setenv - print or set environment variable

  SYNOPSIS

    setenv [name [value]]

  DESCRIPTION

    This command is a C-shell built-in command.

    Without arguments, setenv(1) prints the names and values of all
    environment variables. Given name, setenv sets the environment variable
    name to value or, without value, to the null string.